Sat Sun Mon Tue
0°C / 4°C 1°C / 5°C 5°C / 9°C 5°C / 11°C

National Summary


Staying sunny over much of Connacht and Ulster this afternoon; elsewhere some sunny spells but mostly cloudy with some patchy drizzle. Cold this afternoon with temperatures of only 3 to 7 degrees.


Staying cold and mainly dry tonight with a mix of clear spells and cloudy periods with patchy drizzle. A sharp frost will form under clear skies and also some dense patches of fog. Lowest temperatures plus 2 to -2 C.


Tomorrow, Sunday: There will be some bright or sunny spells, but overall it will be a cloudy day and while most parts will stay dry there will be some scattered outbreaks of rain about. Another cold day with maximum temperatures generally only 3 to 7 degrees but up to 9 degrees in the south and southwest.


General: Cold and frosty at first, with some dense fog. Mild but rather windy, later with a risk of some rain. Sunday night: Cold and frosty overnight, with icy patches. Misty too, with some dense fog in places. Lowest temperatures zero to -3 C. Monday: Mist, fog and frost clearing, to give a dry day, with sunny spells. Top temperatures of 6 to 10 C. Light southerly winds will soon increase moderate to fresh. Cold soon after dark, with frost, but mild and breezy later, as rain moves in across the country from the Atlantic. Lowest temperatures of 3 to 7 C. Tuesday: Rather cloudy, with patches of rain at times, but some dry periods too. Top temperatures 9 to 11 C., in fresh southerly winds. Mild overnight, with lows of 5 to 8 C. But some further rain is likely in places. The trend through the midweek period is for above normal temperatures with values of 11 or 12 C., expected. But it will be windy with fresh to strong southerly winds. Some rainbelts will be approaching from the Atlantic and these may push in across the country at times. But there is some uncertainty re this aspect and the bulk of the rain may yet become slow moving, near or off our Atlantic Seaboard.

Weather Charts


Midday Today Isobars

Midday Today Rainfall

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Midday Tomorrow Isobars

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Coastal Reports

Malin Head Automatic

South-Southwest, 4 Knots, Fair, 5 Miles, 1027, Falling slowly

Dublin Airport

South-Southwest, 3 Knots, Fine, 16 Miles, 1028, Falling slowly

Buoy M5 51° 41'N 6° 42'W

Southeast, 12 Knots, Wave ht: 1.5 m, The visibility at Tuskar is greater than 10 Miles, 1026, Falling slowly

Roches Point Automatic

East, 8 Knots, Fair, 13 Miles, 1025, Falling slowly

Sherkin Island Automatic

East-Southeast, 9 Knots, Cloudy, 21 Miles, 1024, Falling slowly

Valentia Automatic

Northwest, 1 Knot, Cloudy, 14 Miles, 1024, Falling slowly

Mace Head Automatic

Southeast, 12 Knots, Cloudy, 5 Miles, 1025, Falling slowly

Belmullet Automatic

Southeast, 5 Knots, Fair, 5 Miles, 1025, Falling slowly

Buoy M2 53° 29'N, 5° 26'W

South-Southeast, 11 Knots, Wave ht:0.9 m, 1028, Falling slowly

Buoy M3 51° 13'N, 10° 33'W

Report not available

Buoy M4 55° 0'N 10° 0'W

South, 18 Knots, Wave ht: 3 m, 1024, Falling slowly

Buoy M6 53° 4'N 15° 56'W

Report not available

Sea Area Forecast

Sea Area Forecast untill 0600 Sunday 22 January 2017 Issued at 0600 Saturday 21 January 2017

Meteorological Situation at 0300: An Anticyclone is slow moving over the North Sea and eastern Europe. It extends a ridge of high pressure westwards over Britain and Ireland in a mostly moderate southeast airflow. Weak frontal troughs are approaching Ireland, from the Atlantic and will become slow moving near the Atlantic Seaboard later tonight.

Forecast for Irish coastal waters from Valentia to Loop Head to Erris Head

Wind: Southeasterly force 3 to 4, increasing force 4 or 5 this morning, but decreasing southerly force 3 or 4 early tonight.

Weather: Mainly fair at first, but some patches of mist and drizzle will develop on the southwest coast today, with more widespread rain developing tonight.

Visibility: Mostly good at first, but moderate locally poor in precipitation.

Forecast for Irish coastal waters from Erris Head to Howth Head to Valentia and for the Irish Sea.

Wind: Southeast force 2 or 3, increasing force 3 or 4 today, but becoming variable force 2 or less later tonight.

Weather: Mainly fair apart from patches of drizzle on southern coasts today and in some eastern areas also tonight.

Visibility: Poor to moderate in drizzle, good otherwise.

Outlook for a further 24 hours until 0600 Monday 23 January 2017: Winds light to moderate variable or southeasterly. Some fair weather, but some patches of mist and drizzle also.